Icon for a portion of an electronic display



FIG. 1 is a front view of an icon for a portion of an electronic display; and,

FIG. 2 is a front view of a second embodiment thereof.

The broken line drawing of a portion of an electronic display is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an icon for a portion of an electronic display, as shown and described. 